City A population is 68000, decreasing at a rate of 80 per
year City B having population 42000 increasing at a rate of
120 per Year. In how many years both the cities will have
same population

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City A population is 68000, decreasing at a rate of 80 per year City B having population 42000 incr..

let n be the no of yrs each populations meets.

68000 - n * 80 = 42000 + 120 * n

solving n=130.

 Is This Answer Correct ? 83 Yes 6 No

City A population is 68000, decreasing at a rate of 80 per year City B having population 42000 incr..

130 years

 Is This Answer Correct ? 27 Yes 6 No

City A population is 68000, decreasing at a rate of 80 per year City B having population 42000 incr..

130 yrs

 Is This Answer Correct ? 15 Yes 2 No

City A population is 68000, decreasing at a rate of 80 per year City B having population 42000 incr..

68000-80*n = 42000+120*n
68000-42000 = 120n+80n
24000 = 200n
n = 120

 Is This Answer Correct ? 0 Yes 0 No

City A population is 68000, decreasing at a rate of 80 per year City B having population 42000 incr..

after 1 year

 Is This Answer Correct ? 0 Yes 7 No

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